package com.kyview.util;

import java.security.MessageDigest;

public class MD5
{
private static final String[] hexDigits = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f" };

 public static String byteArrayToHexString(byte[] b)
  {
    StringBuffer resultSb = new StringBuffer();
     for (int i = 0; i < b.length; i++) {
      resultSb.append(byteToHexString(b[i]));
    }
     return resultSb.toString();
  }

   private static String byteToHexString(byte b) {
     int n = b;
     if (n < 0)
       n += 256;
     int d1 = n / 16;
     int d2 = n % 16;
    return hexDigits[d1] + hexDigits[d2];
   }

   public static String MD5Encode(String origin) {
     String resultString = null;
     try
     {
       resultString = new String(origin);
       MessageDigest md = MessageDigest.getInstance("MD5");
       resultString = byteArrayToHexString(md.digest(resultString
         .getBytes()));
     } catch (Exception ex) {
       ex.printStackTrace();
     }
     return resultString;
   }
}
